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I7-21: SUPERCONDUCTOR - MAGNET LEVITATION 7 years 11 months ago #151

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ID Code: I7-21
Purpose: Demonstrate levitation of a magnet above a high-temperature superconductor
Description: A one-inch diameter superconducting disc is set on a conducting base in a bath of liquid nitrogen. A cubic samarium cobalt magnet levitates above the superconductor. Note that to show the Meissner effect you must place the magnet on the disc before cooling it down. When the superconductor passes through its transition temperature the magnet rises up by itself and levitates. For large groups, a camera can be provided.
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Last edit: by zzfixk21.
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